While the website will remain in English for the foreseeable future, a number of programs are also available in German.
Additionally, to see all programs of a certain language, you can use the filter function:

After navigating to the catalog page, select the Filters button. See below:

After selecting Filters, 8 different categorical filter options will appear. Select the Language drop-down menu. Currently, TINT offers programs in English and German. After selecting a language, all videos in your chosen language will be displayed.